Z-Parts MK16 DD GOV 10.3inch Steel Outer Barrel for Systema M4 PTW Airsoft Rifle

Z-Parts MK16 DD GOV 10.3inch Steel Outer Barrel for Systema M4 PTW Airsoft Rifle Aluminum Construction MK16 DD Style Design 14mm CW Thread With Dummy Gas Block & Gas Tube Suitable For Systema M4 PTW Series Rifle Airsoft Guns Length: 270mm